Cita APA (7th ed.)

(1988). Turbo pascal, version 5.0: Reference guide. Perfect Bound.

Cita Chicago (17th ed.)

Turbo Pascal, Version 5.0: Reference Guide. Quezon City: Perfect Bound, 1988.

Cita MLA (9th ed.)

Turbo Pascal, Version 5.0: Reference Guide. Perfect Bound, 1988.